Blastula
...ollows the morula and precedes the gastrula in the development sequence. A blastula has around 128 cells, with a large central cavity called the
blastocoel . Also called blastosphere .
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Blastomere
... A blastomere is the structure which results from the divisions of a fertilised egg during embryonic development .
See also
blastocoel
blastula
morula
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Blastocoel
A
blastocoel (e) or blastocele is the fluid-filled central region of a blastocyst. A blastocoele forms during embryogenesis when a zygote divides into many cells through mitosis. Aspects of the topic
blastocoel are discussed in the following places at Britannica. Assorted References forma...
Blastula
...t is produced by cleavage of a fertilized ovum and consists of a spherical layer of around 128 cells with a large fluid filled space called the
blastocoel in the animal pole of the embryo. The blastula follows the morula and precedes the... blastula n. , pl. -las or -lae ( ). An early embryon...
Archenteron
...chyme founder cells, which occupy the tip of the archenteron . ... the involuting sheets of cells create the archenteron , which displaces the
blastocoel ... Note that the gut is not formed yet (no archenteron ) ... ... the SMCs at the tip of the archenteron lacked detectable LvNotch expression. ...
Acoelomate
...gy,biology terms,biology abbreviations ... acoelomate Lacking a body cavity between the gut and the ... ACOELOMATE - Mesoderm obliterates the.
blastocoel in the embryo. PLATYHELMINTHES. 3 main classes ... First of 2 Acoelomate c.s. View of whole fluke organism. ... ... or body cavity. • Two Layere...